PDFOffice_Windows_exe/PDF Office/Styles/TabControlStyle.xaml

<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">

    <Style x:Key="TabControlWithUnderLineStyle" TargetType="{x:Type TabControl}">
        <Setter Property="Padding" Value="2" />
        <Setter Property="HorizontalContentAlignment" Value="Center" />
        <Setter Property="VerticalContentAlignment" Value="Center" />
        <Setter Property="Background" Value="Transparent" />
        <Setter Property="BorderBrush" Value="#FFACACAC" />
        <Setter Property="BorderThickness" Value="0,0,0,1" />
        <Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.ControlTextBrushKey}}" />
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type TabControl}">
                    <Grid
                        x:Name="templateRoot"
                        ClipToBounds="True"
                        KeyboardNavigation.TabNavigation="Local"
                        SnapsToDevicePixels="True">
                        <Grid.ColumnDefinitions>
                            <ColumnDefinition x:Name="ColumnDefinition0" />
                            <ColumnDefinition x:Name="ColumnDefinition1" Width="0" />
                        </Grid.ColumnDefinitions>
                        <Grid.RowDefinitions>
                            <RowDefinition x:Name="RowDefinition0" Height="Auto" />
                            <RowDefinition x:Name="RowDefinition1" Height="*" />
                        </Grid.RowDefinitions>
                        <!--  加滑轨配合滑轨样式可实现箭头左右滚动的菜单栏  -->
                        <!--<ScrollViewer  Margin="140 0 140 0" HorizontalScrollBarVisibility="Auto" VerticalScrollBarVisibility="Disabled">-->
                        <TabPanel
                            x:Name="HeaderPanel"
                            Grid.Row="0"
                            Grid.Column="0"
                            HorizontalAlignment="{TemplateBinding HorizontalAlignment}"
                            VerticalAlignment="{TemplateBinding VerticalAlignment}"
                            Panel.ZIndex="1"
                            Background="Transparent"
                            IsItemsHost="True"
                            KeyboardNavigation.TabIndex="1" />
                        <!--</ScrollViewer>-->
                        <!--  页头和中间内容的分割线  -->
                        <Line
                            Margin="0,0,0,1"
                            VerticalAlignment="Bottom"
                            SnapsToDevicePixels="True"
                            Stroke="Transparent"
                            StrokeThickness="0.1"
                            X1="0"
                            X2="{Binding ActualWidth, RelativeSource={RelativeSource Self}}" />
                        <Border
                            x:Name="ContentPanel"
                            Grid.Row="1"
                            Grid.Column="0"
                            Background="{TemplateBinding Background}"
                            BorderBrush="{TemplateBinding BorderBrush}"
                            BorderThickness="{TemplateBinding BorderThickness}"
                            KeyboardNavigation.DirectionalNavigation="Contained"
                            KeyboardNavigation.TabIndex="2"
                            KeyboardNavigation.TabNavigation="Local">
                            <ContentPresenter
                                x:Name="PART_SelectedContentHost"
                                Margin="0"
                                VerticalAlignment="Stretch"
                                Content="{TemplateBinding SelectedContent}"
                                ContentSource="SelectedContent"
                                ContentStringFormat="{TemplateBinding SelectedContentStringFormat}"
                                ContentTemplate="{TemplateBinding SelectedContentTemplate}"
                                SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" />
                        </Border>
                    </Grid>
                    <ControlTemplate.Triggers>
                        <Trigger Property="TabStripPlacement" Value="Bottom">
                            <Setter TargetName="HeaderPanel" Property="Grid.Row" Value="1" />
                            <Setter TargetName="ContentPanel" Property="Grid.Row" Value="0" />
                            <Setter TargetName="RowDefinition0" Property="Height" Value="*" />
                            <Setter TargetName="RowDefinition1" Property="Height" Value="Auto" />

                        </Trigger>
                        <Trigger Property="TabStripPlacement" Value="Left">
                            <Setter TargetName="HeaderPanel" Property="Grid.Row" Value="0" />
                            <Setter TargetName="ContentPanel" Property="Grid.Row" Value="0" />
                            <Setter TargetName="HeaderPanel" Property="Grid.Column" Value="0" />
                            <Setter TargetName="ContentPanel" Property="Grid.Column" Value="1" />
                            <Setter TargetName="ColumnDefinition0" Property="Width" Value="Auto" />
                            <Setter TargetName="ColumnDefinition1" Property="Width" Value="*" />
                            <Setter TargetName="RowDefinition0" Property="Height" Value="*" />
                            <Setter TargetName="RowDefinition1" Property="Height" Value="0" />
                            <Setter TargetName="HeaderPanel" Property="VerticalAlignment" Value="Top" />
                        </Trigger>
                        <Trigger Property="TabStripPlacement" Value="Right">
                            <Setter TargetName="HeaderPanel" Property="Grid.Row" Value="0" />
                            <Setter TargetName="ContentPanel" Property="Grid.Row" Value="0" />
                            <Setter TargetName="HeaderPanel" Property="Grid.Column" Value="1" />
                            <Setter TargetName="ContentPanel" Property="Grid.Column" Value="0" />
                            <Setter TargetName="ColumnDefinition0" Property="Width" Value="*" />
                            <Setter TargetName="ColumnDefinition1" Property="Width" Value="Auto" />
                            <Setter TargetName="RowDefinition0" Property="Height" Value="*" />
                            <Setter TargetName="RowDefinition1" Property="Height" Value="0" />
                        </Trigger>
                        <Trigger Property="IsEnabled" Value="False">
                            <Setter TargetName="templateRoot" Property="TextElement.Foreground" Value="{DynamicResource {x:Static SystemColors.GrayTextBrushKey}}" />
                        </Trigger>
                    </ControlTemplate.Triggers>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
        <Setter Property="KeyboardNavigation.DirectionalNavigation" Value="Cycle" />
        <Setter Property="KeyboardNavigation.TabNavigation" Value="Cycle" />
    </Style>
</ResourceDictionary>